Hamas said it is prepared to release American-Israeli soldier Edan Alexander and the bodies of four dual nationals held hostage in Gaza.

Hamas has agreed to release American-Israeli soldier Edan Alexander and return the bodies of four other dual-national hostages, according to a statement issued by the militant group on Friday. The announcement comes amid ongoing negotiations mediated by Qatar and Egypt,

Israel said it was striking Hamas targets in its heaviest assault in the territory since a ceasefire took effect in January. Prime minister Benjamin Netanyahu said he had ordered the strikes because of a lack of progress in ongoing talks to extend the ceasefire.

Israel launched new strikes against Hamas and promised ‘increasing military force’ after talks on further hostage releases stalled. Israeli Prime

Hamas is now warning that the strikes are a breach of the ceasefire deal. They are putting into question the fate of the Israeli hostages still in Gaza captivity. CBS News New York's Naveen Dhaliwal has the latest.